:root{--or:#F77F00;--ord:#B85A00;--vt:#009E60;--vtd:#0B5D3B;--ink:#14241C;--mut:#51615a;--bg:#fff;--mist:#F1F7F3;--line:#d9e4dd;--sand:#FFE6C7;--r:14px;box-sizing:border-box}
@media(prefers-color-scheme:dark){:root{--ink:#eef4ef;--mut:#a9b8b0;--bg:#101a15;--mist:#17251d;--line:#2b3d33;--sand:#3a2a14}}
*{box-sizing:border-box}html{scroll-padding-top:env(safe-area-inset-top,0)}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.6 "Trebuchet MS","Segoe UI",system-ui,sans-serif;padding-top:env(safe-area-inset-top,0);padding-bottom:env(safe-area-inset-bottom,0)}
h1,h2,h3,.brand{font-family:Georgia,"Times New Roman",serif;line-height:1.15}
.flag{display:flex;height:8px}.flag i{flex:1}.flag i:nth-child(1){background:var(--or)}.flag i:nth-child(2){background:#fff;border-block:1px solid var(--line)}.flag i:nth-child(3){background:var(--vt)}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
.top{display:flex;justify-content:space-between;align-items:center;gap:12px;max-width:1160px;margin:0 auto;padding:14px 20px}
.brand{font-size:26px;font-weight:700;color:var(--vtd);text-decoration:none}.brand sup{color:var(--or)}
.top nav{display:flex;gap:8px;flex-wrap:wrap}
.btn{font:inherit;font-weight:600;border:2px solid var(--vt);background:transparent;color:var(--vtd);padding:10px 18px;border-radius:999px;cursor:pointer;min-height:44px}
.btn:hover{background:var(--mist)}.btn.pri{background:var(--or);border-color:var(--or);color:#1b1000}.btn.pri:hover{background:#ff9524}
.btn.ghost{border-color:transparent}.btn.s{padding:4px 12px;min-height:34px;font-size:14px}.btn.red{border-color:#b3261e;color:#b3261e}
:focus-visible{outline:3px solid var(--or);outline-offset:2px}
.hero{display:grid;grid-template-columns:1.05fr 1fr;gap:36px;align-items:center;max-width:1160px;margin:0 auto;padding:28px 20px 56px}
.hero h1{font-size:clamp(34px,5vw,56px);margin:0 0 18px;color:var(--vtd)}
@media(prefers-color-scheme:dark){.hero h1,.brand{color:#7fe0b2}}
.hero p{max-width:56ch;color:var(--mut);font-size:19px}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.hero-img{margin:0;border-radius:28px;overflow:hidden;background:var(--sand);box-shadow:14px 14px 0 var(--vt)}
.hero-img img{display:block;width:100%;height:auto}
.steps{padding-bottom:48px}.steps h2,.two h2,.pledge h2{font-size:30px;margin:0 0 16px}
.steps ol{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;padding:0;margin:0;list-style:none;counter-reset:s}
.steps li{counter-increment:s;border-top:5px solid var(--or);padding-top:12px}
.steps li::before{content:counter(s);display:block;font:700 34px Georgia,serif;color:var(--or)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:36px;padding-bottom:48px}
.pledge{background:var(--vtd);color:#fff;padding:44px 0}.pledge ul{margin:0;padding-left:20px;display:grid;gap:8px;max-width:70ch}
.foot{color:var(--mut);font-size:14px;padding:22px 20px 32px}
@media(max-width:820px){.hero,.two{grid-template-columns:1fr}.steps ol{grid-template-columns:1fr}.hero-img{box-shadow:8px 8px 0 var(--vt)}}
/* application */
#app{max-width:980px;margin:0 auto;padding:12px 16px 24px}
.bar{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap;padding:8px 0 12px;border-bottom:1px solid var(--line);margin-bottom:14px}
.tabs{display:flex;gap:6px;flex-wrap:wrap}.tabs .btn[aria-current=true]{background:var(--vt);color:#fff}
.chat{height:calc(100dvh - 250px);min-height:300px;overflow-y:auto;padding:4px}
.msg{max-width:88%;margin:10px 0;padding:11px 15px;border-radius:18px;white-space:pre-wrap;overflow-wrap:anywhere}
.msg.assistant{background:var(--mist);border:1px solid var(--line);border-top-left-radius:4px}
.msg.user{background:var(--sand);margin-left:auto;border-top-right-radius:4px}
.composer{display:flex;gap:8px;margin-top:8px}.composer textarea{flex:1}
input,textarea,select{font:inherit;color:var(--ink);background:var(--bg);border:1.5px solid var(--line);border-radius:12px;padding:10px 12px;width:100%}
textarea{resize:vertical}label{display:block;font-size:14px;color:var(--mut);margin:12px 0 4px}
.hint{font-size:13px;color:var(--mut);margin:6px 0 0}
.timer{position:sticky;top:0;z-index:5;background:var(--or);color:#1b1000;font:700 22px ui-monospace,monospace;text-align:center;border-radius:12px;padding:6px 12px;margin-bottom:8px}
.card{background:var(--mist);border:1px solid var(--line);border-radius:var(--r);padding:14px 16px;margin:0 0 12px}
.row{display:flex;gap:10px;align-items:center;justify-content:space-between;flex-wrap:wrap}.grid{display:grid;gap:10px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
table{width:100%;border-collapse:collapse;font-size:15px}th,td{text-align:left;padding:8px;border-bottom:1px solid var(--line)}.scroll{overflow-x:auto}
.meter{height:9px;border-radius:5px;background:var(--line);overflow:hidden;min-width:70px}.meter i{display:block;height:100%;background:var(--vt)}
.tag{display:inline-block;padding:1px 10px;border-radius:999px;border:1px solid var(--line);font-size:13px}.code{font:700 17px ui-monospace,monospace;background:var(--sand);padding:2px 8px;border-radius:8px}
dialog{border:none;border-radius:20px;padding:0;width:min(480px,94vw);background:var(--bg);color:var(--ink)}dialog::backdrop{background:rgba(10,30,20,.55)}
#df{padding:22px}#df h2{margin:0 0 6px;color:var(--vtd)}.err{color:#b3261e;min-height:22px}.chk{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--ink);margin-top:14px}.chk input{width:22px;height:22px;margin-top:2px}
#toast{position:fixed;left:50%;bottom:20px;transform:translateX(-50%);background:var(--ink);color:var(--bg);padding:10px 16px;border-radius:12px;z-index:50}
h2.t{font-size:22px;margin:18px 0 8px;color:var(--vtd)}.n-M{background:#d8f2e4;color:#0b3d28}.n-P{background:#ffe9cc;color:#6a3a00}.n-R{background:#fde0dd;color:#7a1d16}
@media(prefers-reduced-motion:no-preference){.hero-img{animation:rise .6s ease-out both}@keyframes rise{from{opacity:0;transform:translateY(10px)}}}